On Thu, Nov 24, 2016 at 9:59 PM, Marko Rauhamaa <ma...@pacujo.net> wrote: > Chris Angelico <ros...@gmail.com>: > >> On Thu, Nov 24, 2016 at 7:39 PM, Marko Rauhamaa <ma...@pacujo.net> wrote: >>> * Coroutines can be killed, threads cannot. >> >> Not strictly true. A coroutine can be abandoned at an await point, but >> the currently-executed call is still going to complete (usually); > > I don't quite understand. Say you are awaiting on receiving bytes from a > socket. That means there has been a nonblocking call to read(2), > recvmsg(2) or equivalent that has returned EAGAIN. If you now abandon > the coroutine, there is no resumption of the system call but the > coroutine can finish instantaneously.
Is the read(2) still going to consume data from the pipe/socket? If so, the operation is still going to continue, whether you use coroutines or threads. If not, it would have been cancelled whether you use coroutines or threads. ChrisA -- https://mail.python.org/mailman/listinfo/python-list
